If the mass of a proton is 1.67 × 10^?27 kg, what is the rest energy of the proton? (c = 3.00 × 10^8 m/s and 1 eV = 1.6 × 10^?19 J)
a. 1.2 × 10^8 eV
b. 3.7 × 10^8 eV
c. 4.1 × 10^8 eV
d. 9.4 × 10^8 eV
d
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A baseball with mass 0.14 kilograms and speed 40 m/s is caught. If all of its kinetic energy is converted to internal energy as it is caught, what is its temperature change? (Assume the baseball's specific heat capacity is 1,000 joules per kilogram degree Celsius.)
Terminal Voltage and Internal Resistance: A heating element having a resistance (at its operating temperature) of 148 ? is connected to a battery having an emf of 523 V and unknown internal resistance.It is found that heat energy is being generated in the resistance of the heating element at a rate of 66.0 W. What is the rate at which heat energy is being generated in the internal resistance of the battery?
Fill in the blank(s) with the appropriate word(s).
Mesons are composed of
A. any odd number of quarks. B. three quarks of matching color. C. three quarks of three different colors. D. a colorless quark-antiquark pair.
The pressure of an ideal gas is doubled during a process in which the energy given up as heat by the gas equals the work done on the gas. As a result, the volume is:
A. doubled B. halved C. unchanged D. need more information to answer E. nonsense; the process is impossible